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Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Video
VIDEO
TO
SSIF
See block
AUDIO
diagram
AUDIO
PART
A4
HERCULES
7200-A (IF)
A3
TUNER IF
7003
9002
SSIF
A2
VT_SUPPLY
+5V
6001
9003
5001
BZX79-C33
PHASE
+5VS
DISC
1000
6, 7
9
VT
F002
1002
FM-RADIO
10
ERR
FM
1003
FM
10
TUNER
VIF_1
24
F004
+
11
IF
VIDEO
TV TUNER
TV
VIF_2
25
IF
AGC
5
4
1
I002
3001
RF
31
A4
SDA
TUNER IF
I001
AGC
3000
A4
SCL
1004
SIF1
29
7001
AUDIO IF
SIF2
30
FILTER
QSS/AM
A4
SEL-LLPIM
SELECTION
A8
REAR I/O CINCH
SC2_Y/CVBS_IN
2
3
SC2_CHROMA_IN
SVHS
1
4
5
AV1
SC1_CVBS_IN
V
AV2
V
YUV INPUT
SC1_GREEN_IN
Y
SC1_BLUE_IN
U
SC1_RED_IN
V
A5
7606
MONITOR
7607
OUTPUT
SW_SC2_CVBS
SC2_CVBS_OUT
V
D
A5
SIDE AV
CONNECTION
1252
1207
SIDE_CHROMA_IN
Y
7
7
6
6
2
3
SIDE_Y/CVBS_IN
C
5
5
SVHS
1
4
5
VIDEO
IN
L04L AA
6.
7200-B (CVBS I/O + FILTERS + COLOUR DECODING)
SWITCH
86
SW_SC2_CVBS
81
VCO
N.C.
PLL
SC1_CVBS_IN
74
SOUND
VIDEO
TRAP
SC2_Y/CVBS_IN
71
DEMOD
SIDE_Y/CVBS_IN
78
CVBS1
PLL
SC2_CHROMA_IN
70
FM/QSS
SIDE_CHROMA_IN
77
SOUND
TO
MIXER
AUDIO
PART
AM
AM
See block
SOUND
diagram
DET.
AUDIO
A4
HERCULES
7200-D (YUV PROCESSING)
WHITE/BLACK
Y
STRETCH
Pr
GAMMA COR.
PEAKING
Pb
TINT CONTROL
SATURATION
SKINTONE
SCAVEM
PROC.
40
N.C.
N.C.
OUTPUT
65
INTF_CVBS_OUT
SWITCH
N.C.
Yint
Yint
CVBS/Y
INPUT
COMB
SWITCH
FILTER
&TRAP
Uint
SWITCH
PAL, NTSC
C
CHROMA/CVBS
SECAM
DECODER
Vint
SC1_FBL
N.C.
VIDEO
IDENT
SC1_FBL
7200-E (RGB PROCESSING + CATHODE CALIBRATION)
FROM µP PART
R
BLUE
BRIGHTNESS
CLAMP
STRETCH
+
RGB
OSD
G
+
&
PEAK WHITE
ADDER
INSERTION
CALIBRATION
MUTE
CONTRAST
LIM.
B
BEAM
R_Y
CURRENT
LIM.
G_Y
MATRIX
B_Y
64
H
LTI/CTI INTERFACE
7611
7610
TDA8601T
TDA9178T
7630
7635
1214
INTF_Y_OUT
2
CLAMP
12
6
19
1
INTF_Y
6
3-STATE
YIN
YOUT
CLAMP
LTI/CTI
17
INTF_U_OUT
3
UOUT
CLAMP
11
8
3-STATE
UIN
PROC.
3
INTF_Pb
7
CLAMP
16
VOUT
INTF_V_OUT
4
CLAMP
10
9
5
INTF_Pr
3-STATE
VIN
8
CLAMP
15
13
3-STATE
14
SC
1
5
16
1216
PULSE FORMER
1
INTF_FBL
A5
1212
1212
1215
INTF_Y_OUT
1
1
1
SDA
INTF_U_OUT
SCL
2
2
3
N.C.
INTF_V_OUT
3
3
(RGB/YPrPb/YUV
7200-C
INPUT SWITCHING)
51
50
49
53
54
55
57
58
YPrPb2/
RGB2/
YPrPb3
RGB3
SELECTION
SELECTION
DVD
RGB
DVD
YUV
TO
TO
TO
TO
DVD
DVD
YUV
DVD
Yint
Uint
Vint
52
INSSW3
YUV
SELECTION
RGB
LOGIC
DVD
B1
CRT
B2
SCAVEM
ROT
SVM
A5
F240
F241
F242
V13
1204
1331
7330
3226
3
42
BOUT
1
1
B
3227
V11
CATHODE
OUTPUT
G
43
GOUT
2
2
1
STAGE
3228
44
ROUT
R
3
3
2
IBLACK
4
4
5
5
V12
BC_INFO
5
45
SVM
6
6
SVM
7
7
ROT
VSVM
FILAMENT
V14
+200V
46
3351
7308
+200VA
BCL
2351
A2
A4
1351
1
1351
2
3
4
to 1401
A2
DEFLECTION
A5
CONN.
1212
1212
Y_2
4
4
INTF_Y/GREEN_IN
Pb_2
6
6
INTF_Pb/BLUE_IN
Pr_2
8
8
INTF_Pr/RED_IN
9
INTF_FBL
INTF_FBL
9
SANDCASTLE
10
SANDCASTLE
10
1206
1206
SDA
1
1
SDA
SCL
SCL
3
3
INTF_BBL
6
6
INTF_BBL
59
DIGITAL SIGNAL PROC.
- 4:3 LINEAR/NON-LINEAR SCALING
- DOUBLE WINDOW PROC.
ADC
DAC
Y
Pr
Pb
FILAMENT
1381
1
ROTATION
ROTATION
COIL
2
OUTPUT
(OPTIONAL)
FILAMENT
VSVM
1361
1
SCAVEM
SCAVEM
COIL
OUTPUT
2
(OPTIONAL)
+200VA
V16
3332
1332
7
B
AQUADAG
11
V15
3334
B
9
G
6
G
CRT
8
V14
3336
R
8
R
10 9
5 7 1
25kV
5352
EHT-b
A2
FROM DEFLECTION
E_14480_027.eps
5
270204
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